Apostolos Tsitsipas is on top of the world right now and for a good reason. It’s a double celebration for the father and coach of 21-year-old Greek tennis star Stefanos, who was crowned ATP Finals champion on Monday in London. In an interview with ATP Apostolos spoke about how much he has grown as a … Continue reading Apostolos Tsitsipas, proud dad and coach of Stefanos, says his son has “taught him so much”